mirror of
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130 lines
No EOL
3.4 KiB
JavaScript
130 lines
No EOL
3.4 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports.default = traverse;
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Object.defineProperty(exports, "NodePath", {
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enumerable: true,
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get: function () {
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return _path.default;
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}
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});
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Object.defineProperty(exports, "Scope", {
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enumerable: true,
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get: function () {
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return _scope.default;
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}
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});
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Object.defineProperty(exports, "Hub", {
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enumerable: true,
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get: function () {
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return _hub.default;
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}
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});
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exports.visitors = void 0;
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var _context = _interopRequireDefault(require("./context"));
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var visitors = _interopRequireWildcard(require("./visitors"));
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exports.visitors = visitors;
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function _includes() {
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const data = _interopRequireDefault(require("lodash/includes"));
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_includes = function () {
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return data;
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};
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return data;
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}
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function t() {
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const data = _interopRequireWildcard(require("@babel/types"));
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t = function () {
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return data;
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};
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return data;
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}
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var cache = _interopRequireWildcard(require("./cache"));
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var _path = _interopRequireDefault(require("./path"));
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var _scope = _interopRequireDefault(require("./scope"));
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var _hub = _interopRequireDefault(require("./hub"));
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function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) { var desc = Object.defineProperty && Object.getOwnPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : {}; if (desc.get || desc.set) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } } newObj.default = obj; return newObj; } }
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function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
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function traverse(parent, opts, scope, state, parentPath) {
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if (!parent) return;
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if (!opts) opts = {};
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if (!opts.noScope && !scope) {
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if (parent.type !== "Program" && parent.type !== "File") {
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throw new Error("You must pass a scope and parentPath unless traversing a Program/File. " + `Instead of that you tried to traverse a ${parent.type} node without ` + "passing scope and parentPath.");
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}
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}
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visitors.explode(opts);
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traverse.node(parent, opts, scope, state, parentPath);
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}
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traverse.visitors = visitors;
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traverse.verify = visitors.verify;
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traverse.explode = visitors.explode;
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traverse.cheap = function (node, enter) {
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return t().traverseFast(node, enter);
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};
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traverse.node = function (node, opts, scope, state, parentPath, skipKeys) {
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const keys = t().VISITOR_KEYS[node.type];
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if (!keys) return;
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const context = new _context.default(scope, opts, state, parentPath);
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for (const key of keys) {
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if (skipKeys && skipKeys[key]) continue;
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if (context.visit(node, key)) return;
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}
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};
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traverse.clearNode = function (node, opts) {
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t().removeProperties(node, opts);
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cache.path.delete(node);
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};
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traverse.removeProperties = function (tree, opts) {
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t().traverseFast(tree, traverse.clearNode, opts);
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return tree;
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};
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function hasBlacklistedType(path, state) {
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if (path.node.type === state.type) {
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state.has = true;
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path.stop();
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}
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}
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traverse.hasType = function (tree, type, blacklistTypes) {
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if ((0, _includes().default)(blacklistTypes, tree.type)) return false;
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if (tree.type === type) return true;
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const state = {
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has: false,
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type: type
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};
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traverse(tree, {
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noScope: true,
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blacklist: blacklistTypes,
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enter: hasBlacklistedType
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}, null, state);
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return state.has;
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};
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traverse.cache = cache; |